Sample rack



FIG. 1 is a front perspective view of a sample rack, in which a cover is shown in a closed position;

FIG. 2 is a top perspective view thereof, in which the cover is shown in an open position;

FIG. 3 is a right side perspective view thereof, in which the cover is shown in an open position, the left side being a mirror image thereof; and,

FIG. 4 is a rear perspective view thereof, in which the cover is shown in a closed position.

Any broken lines shown are included solely for the purpose of illustrating the unclaimed portions of the article and form no part of the claim. 

CLAIM The ornamental design of a sample rack, substantially as shown and described. 